ISrORTH AMERICAN RECENT MAMMALS. 241) 



t*Thomomys talpoides pryori (Bailey). 



1914. TJiomomys pnjori Bailey, Proc. Biol. Soc. Washington, 

 vol. 27, p. 116. July 10, 1914. 



1915. Thomomys talpoides pryori Bailey, North Amer. Fauna, 

 No. 39, p. 104. November 15, 1915. 



Type Locality. — Head of Sage Creek, Pry or Mountains, 

 Carbon Count}^, Montana. Altitude, 6,000 feet. 



Range. — Pryor Mountains, Montana, east to the Bighorn River 

 near Fort Custer. 



t*Thoinomys talpoides agrestis Merriam. 



1908. Thomomys talpoides agrestis ]\Ierriam, Proc. Biol. Soc. 



Washington, vol. 21, p. 144. June 9, 1908. 

 Type Locality. — Medano Ranch, San Luis Valley, Colorado. 

 Range. — San Luis Valley, Colorado. 



t*Thomomys columbianus (Bailey). 



1914. Thomomys fuscus cohimhianus Bailey, Proc. Biol. Soc. 

 Washington, vol. 27, p. 117. July 10, 1914. 



1915. Thomomys columhianus Bailey, North Amer. Fauna, No. 

 39, p. 106. November 15, 1915. 



Type Locality. — Touchet, Walla Walla County, Washington. 

 Range. — Plains of southeastern Washington and northern 

 Oregon. 



t*Thomomys ocius (Merriam). 



1901. Thomomys clusius ocius Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 14, p. 114. July 19, 1901. 



1915. Thomomys ocius Bailey, North Amer. Fauna, No. 39, 

 p. 107. November 15, 1915. 



Type Locality. — Six miles southwest of Old Fort Bridger, 

 Uinta County, Wyoming. 



Range. — Green River Basin of southwestern Wy^oming, north- 

 western Colorado, and northeastern Utah. 



t*Thomomys idahoensis Merriam. 



1901. Thomomys idahoensis Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 14, p. 114. July 19, 1901. 

 Type Locality. — Birch Creek, Fremont County, Idaho. 

 Range. — Snake River Plains, southeastern Idaho. 



t*Thomomys pygmseus Merriam. 



1901. Thomomys pygmseus Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 14, p. 115. July 19, 1901. 



Type Locality. — -Montpelier Creek, about 10 miles northeast 

 of Montpelier, Bear County, Idaho. Altitude, 6,700 feet. 



Range. — -Southwestern W3^oming and southeastern Idaho. 

 (Transition zone) . 



